DEP regional manager Carl Davis describes the $400 million Gilboa Dam rehabilitation project from the dam's spillway during a tour on Tuesday.

DEP regional manager Carl Davis describes the $400 million Gilboa Dam rehabilitation project from the dam's spillway during a tour on Tuesday.

The new face of the Gilboa Dam spillway is taking shape as work continues on the $400 million rehabilitation project.

Crews work near the top of the 182 foot-tall Gilboa Dam on Tuesday.

Water thunders out of one of the two siphons installed at the Gilboa Dam on Tuesday. The pair are capable of releasing 250 million gallons of water daily, a third of the capabilities a new, low-level outlet will have once complete in 2019.

A large crane delivers a load of concrete at the Gilboa Dam reconstruction project

Another view of the work site at the Gilboa Dam reconstruction project.